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SubjectRe: [PATCH v1 1/5] block: introduce bio_clone_bioset_partial()
On Mon, Feb 13, 2017 at 9:46 PM, Christoph Hellwig <hch@infradead.org> wrote:
> On Fri, Feb 10, 2017 at 06:56:13PM +0800, Ming Lei wrote:
>> md still need bio clone(not the fast version) for behind write,
>> and it is more efficient to use bio_clone_bioset_partial().
>>
>> The idea is simple and just copy the bvecs range specified from
>> parameters.
>
> Given how few users bio_clone_bioset has I wonder if we shouldn't
> simply add the two new arguments to it instead of adding another
> indirection.

For md write-behind, looks we have to provide the two arguments,
could you explain a bit how we can do that by adding another indirection?

>
> Otherwise looks fine:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

Thanks!

--
Ming Lei

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